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24 Cards in this Set
- Front
- Back
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Neutrophil
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Phagocytosis of bacteria and viruses (blood)
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Basophil
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Release of histamine, seratonin (blood)
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Eosinophil
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Control inflammatory reponse (blood)
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Macrophage
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Phagocytosis, antigen-presentation (tissues)
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T-helper cells
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Stimulate immune system (lymph, blood)
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Cytotoxic T-cells
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Kill virus infected cells (lymph, blood)
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Antibody
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Molecules made by immune system to recognize antigens
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Antigen
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Molecule presented on a host that stimulates immune response
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Epitope
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Region of antigen that binds to antibody
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Opsonization
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Bacteria bind to antibodies to prepare for phagocytosis or complement fixation
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Leukocytes
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White blood cells
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Phagocytosis
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Engulfing of foreign particle
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Phagosome
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Compartment of cell that contains engulfed bacteria
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Complement
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Group of proteins that bind to opsonized bacteria and kill the bacteria.
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Memory cells
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T-cells, Tc cells, and B cells remember the bacteria on second exposure
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Plasma B cells
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Produce antibodies
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Lymphoid stem cells
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Differentiate into pro-T, pro-B, plasma cells, and memory cells
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Myeloid Stem Cells
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The 'phils', neutrophil, basophil, and eosinophils, and monocytes that stimulate the immune system
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IgG
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Precipitation of ags, antitoxins, complement fixation, placental transfer, opsonization
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IgA
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Secreted by B cells in mucous membranes, secretory antibodies
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IgM
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Five subunits, first Ab made against Ag, agglutination, opsonization
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IgD
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function uncertain
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IgE
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produced when reacting to allergies, binds to basophiles to release histamine
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Primary Roles of Antibodies (four)
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1. Opsonization of Bacteria
2. Virus Neutralization 3. Toxin neutralization 4. Complement fixaiton |
